Physical quantities can be scalar quantities or vector quantities.
Explain the difference between a scalar quantity and a vector quantity.
The Table shows four quantities.
Table
| Quantity | Scalar | Vector |
|---|---|---|
| weight | ||
| mass | ||
| energy | ||
| velocity |
Complete the Table by putting a tick (✓\checkmark✓) in one box in each row.
A student describes a force as '25 N'.
Explain why this is not a complete description of the force.
Give one other scalar quantity that is not in the Table.